arduino-TuyaOpen before version 1.2.1 contains a heap-based buffer overflow vulnerability in the DnsServer component. An attacker on the same local area network who controls the LAN DNS server can send malicious DNS responses to overflow the heap buffer, potentially allowing execution of arbitrary code on affected embedded devices.
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History
Sun, 15 Mar 2026 14:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | arduino-TuyaOpen before version 1.2.1 contains a heap-based buffer overflow vulnerability in the DnsServer component. An attacker on the same local area network who controls the LAN DNS server can send malicious DNS responses to overflow the heap buffer, potentially allowing execution of arbitrary code on affected embedded devices. | |
| Title | arduino-TuyaOpen DnsServer Heap-Based Buffer Overflow Remote Code Execution | |
| Weaknesses | CWE-122 | |
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| Metrics |
cvssV3_1
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Status: PUBLISHED
Assigner: VulnCheck
Published:
Updated: 2026-03-15T13:36:47.991Z
Reserved: 2026-02-27T21:07:55.466Z
Link: CVE-2026-28519
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